US7589946B2 - Local access port communications using near field induction - Google Patents
Local access port communications using near field induction Download PDFInfo
- Publication number
- US7589946B2 US7589946B2 US11/354,500 US35450006A US7589946B2 US 7589946 B2 US7589946 B2 US 7589946B2 US 35450006 A US35450006 A US 35450006A US 7589946 B2 US7589946 B2 US 7589946B2
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- data
- transformer core
- near field
- internal
- electronic circuit
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-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/302—Contactless testing
- G01R31/315—Contactless testing by inductive methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/302—Contactless testing
- G01R31/3025—Wireless interface with the DUT
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
- H01F19/08—Transformers having magnetic bias, e.g. for handling pulses
- H01F2019/085—Transformer for galvanic isolation
Definitions
- Telecommunications network equipment is installed at diverse locations and in a variety of environments around the world.
- This network equipment typically includes a local access port.
- the local access port allows service personnel to communicate with electronics inside the panel using a diagnostic computer, e.g., a notebook computer.
- the diagnostic computer allows the service personnel to configure, monitor, or troubleshoot the network equipment contained within the panel.
- ESD electrostatic discharge
- Extreme caution must be taken when connecting the diagnostic computer to a panel that is currently operating because the local access port is directly connected to sensitive electronics inside the panel.
- the safest means of attaching the diagnostic computer is to power off the network equipment. Any potential loss of service creates continuity of service issues for customers. Unless the telecommunications network is already powered down due to a service issue, additional safeguards are included in order to monitor network operations in real time.
- Embodiments of the present invention address problems with accessing electronics in telecommunications network equipment and will be understood by reading and studying the following specification.
- a method for accessing electronic equipment using near field induction involves attaching at least one local access port connector with an external transformer core partition to a near field induction port on an external non-conductive surface of a panel of the enclosure and generating at least one inductive field between the external transformer core partition and an internal transformer core partition. Without a direct electrical connection, the method provides for communicating with the electronic circuit through the at least one local access port connector of the panel using the at least one inductive field.
- FIG. 1 is a block diagram of an embodiment of a system for local access port communications using near field induction in accordance with the present invention.
- FIG. 2 is a flow diagram illustrating an embodiment of a method for local access port communications using near field induction in accordance with the present invention.
- Embodiments of the present invention address problems with telecommunications network equipment and will be understood by reading and studying the following specification.
- a method for accessing electronic equipment using near field induction involves attaching at least one local access port connector with an external transformer core partition to a near field induction port on an external non-conductive surface of a panel of the enclosure and generating at least one inductive field between the external transformer core partition and an internal transformer core partition. Without a direct electrical connection, the method provides for communicating with the electronic circuit through the at least one local access port connector of the panel using the at least one inductive field.
- embodiments of the present invention are not limited to telecommunications network equipment.
- Embodiments of the present invention are applicable to any electronics diagnostic activity that requires access to electronic equipment in an enclosed environment.
- Alternate embodiments of the present invention utilize methods of near field induction to eliminate direct electrical connections when communicating with sensitive electronic equipment in environments susceptible to ESD.
- FIG. 1 is a block diagram of an embodiment of a system, indicated generally at 100 , for local access port communications using near field induction according to the teachings of the present invention.
- System 100 comprises enclosure 102 , diagnostic subsystem 120 , and local access port connector 108 communicatively coupled to near field induction port 110 .
- Enclosure 102 e.g., a telecommunications equipment cabinet, includes electronic circuit 104 and internal near field inductor encoder/decoder 106 communicatively coupled to near field induction port 110 .
- Near field induction port 110 passes through a non-conductive surface on panel 114 .
- enclosure 102 houses any appropriate number of electronic circuits 104 , internal near field inductor encoder/decoders 106 , near field induction ports 110 and local access port connectors 108 , e.g., one or more electronics circuits, internal near field inductor encoder/decoders, near field induction ports, and local access port connectors in a single enclosure 102 .
- diagnostic subsystem 120 is a personal computer with at least one communications port adapted to connect to the at least one local access port connector 108 along diagnostic communications interface 128 .
- diagnostic communications interface 128 is a universal serial bus (USB) interface, an RS-232 interface, a parallel port interface, and the like.
- Panel 114 is adapted to receive local access port connector 108 with local access port attachments 130 1 and 130 2 .
- each of local access port attachments 130 1 and 130 2 is one of a set of plastic clips, a magnetic connection, or the like.
- Local access port connector 108 includes external near field induction encoder/decoder 118 .
- External near field induction encoder/decoder 118 is communicatively coupled to near field induction port 110 by external induction interface 126 .
- External induction interface 126 is a direct communications interface between external near field induction encoder/decoder 118 and external transformer core partition 116 .
- External transformer core partition 116 and internal transformer core partition 112 serve as a single functioning transformer core to form near field induction port 110 .
- near field induction port 110 transfers data between external transformer core partition 116 and internal transformer core partition 112 through panel 114 without a direct electrical connection. Providing an electrical signal to generate a localized magnetic field, then regenerating the electrical signal from the localized magnetic field is referred to as near field induction.
- external transformer core partition 116 and internal transformer core partition 112 are equally split between two sides of panel 114 .
- Panel 114 is comprised of non-conductive plastic, a metal, and the like. When panel 114 is comprised of a metal, at least one end of panel 114 is disconnected from enclosure 102 to provide at least one non-conductive surface on enclosure 102 and prevent an electrical short across near field induction port 110 .
- Panel 114 is designed to eliminate electrostatic discharge (ESD) from damaging sensitive electronics within enclosure 102 .
- ESD electrostatic discharge
- electronic circuit 104 e.g., a network communications processor, includes at least one microprocessor, field-programmable gate array (FPGA), specially-designed application-specific integrated circuit (ASIC), and the like.
- Electronic circuit 104 is communicatively coupled to internal near field induction encoder/decoder 106 by internal communications interface 122 .
- Internal communications interface 122 is a bidirectional communications link between electronic circuit 104 and internal near field induction encoder/decoder 106 .
- Internal near field induction encoder/decoder 106 is communicatively coupled to internal transformer core partition 112 by internal induction interface 124 .
- Internal induction interface 124 is a direct communications interface between internal near field induction encoder/decoder 106 and internal transformer core partition 112 .
- near field induction port 110 generates at least one inductive field.
- the at least one inductive field provides diagnostic subsystem 120 access to electronics circuit 104 using near field induction.
- the at least one inductive field generated by near field induction port 110 remains localized around panel 114 .
- Outgoing communication data from electronics circuit 104 is transferred over a high-level communications protocol such as USB, RS-232, high-speed parallel, and the like to diagnostic subsystem 120 for processing.
- Outgoing communication data from electronics circuit 104 is encoded in internal near field induction encoder/decoder 106 .
- Internal near field induction encoder/decoder 106 transfers the outgoing communication data through panel 114 as near field induction port 110 senses the at least one inductive field.
- the outgoing communication data is passed onto external near field induction encoder/decoder 118 .
- External near field induction encoder/decoder 118 decodes the outgoing communication data before the outgoing communication data is received by diagnostic subsystem 120 .
- incoming communication data from diagnosis subsystem 120 to be transferred to the electronics circuit 104 is encoded in external near field induction encoder/decoder 118 .
- External near field induction encoder/decoder 118 transfers the incoming communication data through panel 114 as near field induction port 110 senses the at least one inductive field.
- the incoming communication data is passed onto internal near field induction encoder/decoder 106 .
- Internal near field induction encoder/decoder 106 decodes the incoming communication data before the incoming communication data is received by electronics circuit 104 .
- Diagnosis of electronic circuit 104 with near field induction port 110 eliminates any direct electrical connections between electronics circuit 104 and diagnostic subsystem 120 , allowing panel 114 to be constructed without exposed external communication port connections. Additional ESD protection for electronics circuit 104 is no longer required.
- FIG. 2 is a flow diagram illustrating an embodiment of a method according to the teachings of the present invention in local access port communications using near field induction.
- the method of FIG. 2 begins at step 202 .
- a primary function of method 200 is to generate at least one inductive field to transfer data between electronic circuit 104 and diagnostic subsystem 120 without a direct electrical connection.
- diagnostic subsystem 120 is connected to local access port connector 108 at step 204 .
- local access port connector 108 is attached to near field induction port 110 on panel 114 .
- the method generates at least one inductive field between enclosure 102 and local access port connector 108 .
- the at least one inductive field is contained within near field induction port 110 .
- external transformer core partition 116 of local access port connector 108 and corresponding internal transformer core partition 112 of enclosure 102 form a single functioning transformer core to serve as near field induction port 110 .
- Incoming (outgoing) data from diagnostic subsystem 120 (electronic circuit 104 ) bound for electronic circuit 104 (diagnostic subsystem 120 ) is encoded at step 210 . Without a direct electrical connection, the method communicates with electronic circuit 104 at step 212 using the at least one inductive field of near field induction port 110 . At step 214 , incoming (outgoing) data is decoded before reception at electronic circuit 104 (diagnostic subsystem 120 ). The method concludes at step 216 .
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Dc Digital Transmission (AREA)
Abstract
Description
Claims (21)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/354,500 US7589946B2 (en) | 2006-02-15 | 2006-02-15 | Local access port communications using near field induction |
Applications Claiming Priority (1)
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US11/354,500 US7589946B2 (en) | 2006-02-15 | 2006-02-15 | Local access port communications using near field induction |
Publications (2)
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US20070188317A1 US20070188317A1 (en) | 2007-08-16 |
US7589946B2 true US7589946B2 (en) | 2009-09-15 |
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US11/354,500 Active 2028-07-09 US7589946B2 (en) | 2006-02-15 | 2006-02-15 | Local access port communications using near field induction |
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Citations (11)
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US4087782A (en) * | 1973-12-07 | 1978-05-02 | Nippon Soken, Inc. | Collision detecting system |
US4803485A (en) * | 1987-03-23 | 1989-02-07 | Amp Incorporated | Lan communication system and medium adapter for use therewith |
US5444856A (en) * | 1992-07-07 | 1995-08-22 | Intel Corporation | Apparatus and method for switching ethernet media type |
US5995353A (en) * | 1997-06-17 | 1999-11-30 | Hewlett-Packard Company | Apparatus for discharging an electrostatic discharge via a spark gap coupled in series with a high impedance network |
US6456088B1 (en) * | 2001-01-03 | 2002-09-24 | Alcatel Usa Sourcing, L.P. | 1st level power fault testing apparatus for testing telecommunications equipment |
US7148799B2 (en) * | 2004-12-14 | 2006-12-12 | Ambient Corporation | Arrangement of daisy chained inductive couplers for data communication |
US20070165345A1 (en) * | 2006-01-17 | 2007-07-19 | Broadcom Corporation | Power over Ethernet electrostatic discharge protection circuit |
US20070189495A1 (en) * | 2005-08-19 | 2007-08-16 | Crawley Philip J | Over-voltage protection circuit |
US20080062600A1 (en) * | 2006-01-06 | 2008-03-13 | Crawley Philip J | Electrostatic discharge protection circuit |
US7372688B2 (en) * | 2002-10-08 | 2008-05-13 | Fultec Semiconductor, Inc. | Protection devices and methods for preventing the flow of undesirable differential mode transients |
US20080156055A1 (en) * | 2006-12-22 | 2008-07-03 | Thales | Method for joining electrical conductors by magnetostriction and magnetostriction-generating device |
-
2006
- 2006-02-15 US US11/354,500 patent/US7589946B2/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4087782A (en) * | 1973-12-07 | 1978-05-02 | Nippon Soken, Inc. | Collision detecting system |
US4803485A (en) * | 1987-03-23 | 1989-02-07 | Amp Incorporated | Lan communication system and medium adapter for use therewith |
US5444856A (en) * | 1992-07-07 | 1995-08-22 | Intel Corporation | Apparatus and method for switching ethernet media type |
US5995353A (en) * | 1997-06-17 | 1999-11-30 | Hewlett-Packard Company | Apparatus for discharging an electrostatic discharge via a spark gap coupled in series with a high impedance network |
US6456088B1 (en) * | 2001-01-03 | 2002-09-24 | Alcatel Usa Sourcing, L.P. | 1st level power fault testing apparatus for testing telecommunications equipment |
US7372688B2 (en) * | 2002-10-08 | 2008-05-13 | Fultec Semiconductor, Inc. | Protection devices and methods for preventing the flow of undesirable differential mode transients |
US7148799B2 (en) * | 2004-12-14 | 2006-12-12 | Ambient Corporation | Arrangement of daisy chained inductive couplers for data communication |
US20070189495A1 (en) * | 2005-08-19 | 2007-08-16 | Crawley Philip J | Over-voltage protection circuit |
US20080062600A1 (en) * | 2006-01-06 | 2008-03-13 | Crawley Philip J | Electrostatic discharge protection circuit |
US20070165345A1 (en) * | 2006-01-17 | 2007-07-19 | Broadcom Corporation | Power over Ethernet electrostatic discharge protection circuit |
US20080156055A1 (en) * | 2006-12-22 | 2008-07-03 | Thales | Method for joining electrical conductors by magnetostriction and magnetostriction-generating device |
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US20070188317A1 (en) | 2007-08-16 |
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